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3 years ago

What conclusions can we draw from the lab about photosynthesis and cellular

Biology

1 answer:

GuDViN [60]3 years ago

7 0

Answer:

Carbon dioxide and oxygen are recycled through photosynthesis and cellular

respiration forever unless something interrupts.

Explanation:

Photosynthesis and cellular respiration are two distinct and opposite metabolical processes undergone by living cells. They are opposite processes because one utilizes the products of the other as reactants.

Photosynthesis is a unique process to autotrophic organisms like plants. It is the process whereby plants synthesize their food in form of organic molecules (glucose) by combining Carbondioxide (CO2) and water (H2O) in the presence of sunlight.

The overall equation of photosynthesis is as follows:

6CO2 + 6H2O ------> C6H12O6+ 6O2

On the other hand, cellular respiration is the process whereby living cells obtain energy (ATP) by breaking down food molecules (glucose) using oxygen to produce carbondioxide (CO2) and water as products. The overall equation is:

C6H12O6 + 602 -----> 6CO2 + 6H2O

Based on the lab experiments, it can be concluded that Carbon dioxide and oxygen are recycled through photosynthesis and cellular

respiration because photosynthesis recycles/reuses the products of cellular respiration, which are C02 and H2O while cellular respiration recycles/reuses the products of photosynthesis, which are C6H12O6 and O2. This process occurs naturally in the environment and will continue to do so unless something interupts.

Option B is incorrect because light energy from the sun powers photosynthesis while option C is incorrect because photosynthesis transforms light energy to chemical energy while cellular respiration transforms chemical energy to thermal energy.

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The bases of RNA are the same as those of DNA except that RNA has _______.

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3 years ago

The overall success of an ecosystem is best judged by the

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The correct answer is d

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Which type or types of rock can become metamorphic rock?

Vlada [557]

<span>D
Sedimentary rock can change into metamorphic rock.</span>

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Suppose you increase your walking speed from 6 m/s to 11 m/s in a period of 3 s. What is your acceleration? Answer and units

Alexandra [31]

Acceleration of a body is defined as rate of chance in velocity with respect to time and its S.I. Units are $meter/sec^{2}$ / or $m/s^{2}$

Magnitude of average acceleration of a body = (final speed - initial speed)/time interval = $(v- u)/t$

where, final speed =v= 11 m/s; initial speed = u = 6 m/s; and time interval = t = 3 s

Hence acceleration = $(11-6)/3$ = $5/3$ = $1.67 m/s^{2}$

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A man has extra digits (six fingers on each hand and six toes on each foot). His wife and their daughter have the normal number

alukav5142 [94]

Options for the question have not been given. They are as follows:

A) 1/8

B) 3/4

C) 1/16

D) 1/2

Answer:

D) 1/2

Explanation:

Let the allele for extra digits be represented by D. Since it is a dominant trait, DD and Dd will result in extra digits whereas dd will result in normal number of digits. The woman has normal number of digits so she has dd genotype. The man has extra digits so he can be either DD or Dd.

The couple's first child has normal number of digits so she has dd genotype. She has obtained one d allele from her mother and another d allele from her father. Hence, the man's genotype is Dd.

Man = Dd

Woman = dd

Their children :

D d

d Dd dd

Half of the progeny will have Dd genotype and will have extra digits. Other half will have dd genotype and will have normal number of digits. So, the probability of their next child to have extra digits is 1/2.

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3 years ago